vapour Definition
a substance in the form of a gas or mist, especially one that is produced by heating or spraying a liquid.
Using vapour: Examples
Take a moment to familiarize yourself with how "vapour" can be used in various situations through the following examples!
Example
The hot water produces vapour.
Example
The room was filled with vapour from the humidifier.
Example
The chemical reaction caused a cloud of vapour to rise.
Example
The tea kettle was whistling as the vapour escaped.
vapour Synonyms and Antonyms
Synonyms for vapour
Phrases with vapour
a visible trail of condensed water droplets or ice crystals that is created by the exhaust of an aircraft engine
Example
The sky was crisscrossed with vapour trails from the planes overhead.
a layer of material designed to prevent the diffusion of water vapor into walls, ceilings, and floors
Example
The contractor installed a vapour barrier to prevent moisture from entering the walls.
the pressure exerted by a vapor in thermodynamic equilibrium with its condensed phases at a given temperature in a closed system
Example
The vapour pressure of water increases as the temperature rises.
Origins of vapour
from Latin 'vapor', meaning 'steam'
Summary: vapour in Brief
The term 'vapour' [ˈveɪpər] refers to a gas or mist that is produced by heating or spraying a liquid. It can be seen in phrases like 'vapour trail,' which is the trail left by an airplane's exhaust, and 'vapour barrier,' which is a layer of material that prevents moisture from entering walls. 'Vapour' is also used in scientific contexts, such as 'vapour pressure,' which is the pressure exerted by a vapor in thermodynamic equilibrium with its condensed phases.